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2022-03-25
Li, Xin, Yi, Peng, Jiang, Yiming, Lu, Xiangyu.  2021.  Traffic Anomaly Detection Algorithm Based on Improved Salp Swarm Optimal Density Peak Clustering. 2021 4th International Conference on Artificial Intelligence and Big Data (ICAIBD). :187—191.

Aiming at the problems of low accuracy and poor effect caused by the lack of data labels in most real network traffic, an optimized density peak clustering based on the improved salp swarm algorithm is proposed for traffic anomaly detection. Through the optimization of cosine decline and chaos strategy, the salp swarm algorithm not only accelerates the convergence speed, but also enhances the search ability. Moreover, we use the improved salp swarm algorithm to adaptively search the best truncation distance of density peak clustering, which avoids the subjectivity and uncertainty of manually selecting the parameters. The experimental results based on NSL-KDD dataset show that the improved salp swarm algorithm achieves faster convergence speed and higher precision, increases the average anomaly detection accuracy of 4.74% and detection rate of 6.14%, and reduces the average false positive rate of 7.38%.